Log message:
Fix indentation in buildlink3.mk files.
The actual fix as been done by "pkglint -F */*/buildlink3.mk", and was
reviewed manually.
There are some .include lines that still are indented with zero spaces
although the surrounding .if is indented. This is existing practice.

Log message:
lang/ruby22-base: update to 2.2.9
Ruby 2.2.9 Released
Posted by usa on 14 Dec 2017
Ruby 2.2.9 has been released. This release includes several security
fixes. Please check the topics below for details.
* CVE-2017-17405: Command injection vulnerability in Net::FTP
* Unsafe Object Deserialization Vulnerability in RubyGems
Ruby 2.2 is now under the state of the security maintenance phase, until the
end of the March of 2018. After the date, maintenance of Ruby 2.2 will be
ended. We recommend you start planning migration to newer versions of Ruby,
such as 2.4 or 2.3.

Log message:
lang/ruby24-base: update to 2.4.3
Update ruby24-base/ruby24 to 2.4.3.
Ruby 2.4.3 Released
Posted by nagachika on 14 Dec 2017
Ruby 2.4.3 has been released.
This release includes some bug fixes and a security fix.
* CVE-2017-17405: Command injection vulnerability in Net::FTP
There are also som bug fixes. See commit logs for more details.

Log message:
lang/ruby23-base: Update to 2.3.6
Update ruby23-base/ruby23 to 2.3.6.
Ruby 2.3.6 has been released.
This release includes about 10 bug fixes after the previous release,
and also includes several security fixes. Please check the topics
below for details.
* CVE-2017-17405: Command injection vulnerability in Net::FTP
* Unsafe Object Deserialization Vulnerability in RubyGems
See the ChangeLog for details.